18103260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43103}}^1$

素因数の和:43122

約数の個数: 48

約数和(自身を含む): 57931776

約数和(自身を除く): 39828516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 43103, 86206, 129309, 172412, 215515, 258618, 301721, 431030, 517236, 603442, 646545, 862060, 905163, 1206884, 1293090, 1508605, 1810326, 2586180, 3017210, 3620652, 4525815, 6034420, 9051630, 18103260]

約数ペア:

[(1, 18103260), (2, 9051630), (3, 6034420), (4, 4525815), (5, 3620652), (6, 3017210), (7, 2586180), (10, 1810326), (12, 1508605), (14, 1293090), (15, 1206884), (20, 905163), (21, 862060), (28, 646545), (30, 603442), (35, 517236), (42, 431030), (60, 301721), (70, 258618), (84, 215515), (105, 172412), (140, 129309), (210, 86206), (420, 43103)]